xref: /openbmc/u-boot/tools/rkimage.c (revision 5d89b37f)
1 /*
2  * (C) Copyright 2015 Google, Inc
3  * Written by Simon Glass <sjg@chromium.org>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  *
7  * See README.rockchip for details of the rkimage format
8  */
9 
10 #include "imagetool.h"
11 #include <image.h>
12 #include "rkcommon.h"
13 
14 static uint32_t header;
15 
16 static void rkimage_set_header(void *buf, struct stat *sbuf, int ifd,
17 			       struct image_tool_params *params)
18 {
19 	memcpy(buf + RK_SPL_HDR_START, rkcommon_get_spl_hdr(params),
20 	       RK_SPL_HDR_SIZE);
21 
22 	if (rkcommon_need_rc4_spl(params))
23 		rkcommon_rc4_encode_spl(buf, 4, params->file_size);
24 }
25 
26 static int rkimage_check_image_type(uint8_t type)
27 {
28 	if (type == IH_TYPE_RKIMAGE)
29 		return EXIT_SUCCESS;
30 	else
31 		return EXIT_FAILURE;
32 }
33 
34 /*
35  * rk_image parameters
36  */
37 U_BOOT_IMAGE_TYPE(
38 	rkimage,
39 	"Rockchip Boot Image support",
40 	4,
41 	&header,
42 	rkcommon_check_params,
43 	NULL,
44 	NULL,
45 	rkimage_set_header,
46 	NULL,
47 	rkimage_check_image_type,
48 	NULL,
49 	NULL
50 );
51